Piston having improved cooling characteristics
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United States of America Patent
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Issued Date -
Apr 5, 2007
app pub date -
Oct 4, 2005
filing date -
Oct 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A piston adapted for reciprocal movement within a cylinder of an internal combustion engine. The piston includes a crown and a skirt depending from the crown. A body extends below the crown with the skirt disposed annularly about at least a portion of the body. An inner cooling gallery is defined in the body beneath the crown. An outer cooling gallery is defined between the skirt and the body and located beneath the crown. In addition, at least one bore extends radially between the inner cooling gallery and the outer cooling gallery for providing fluid communication therebetween.
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